{

double num;

std::string str;

Guard() : num() {}

Guard(double num_, std::string str_) : num(num_), str(str_) {}

friend bool operator==(const Guard& lhs, const Guard& rhs) { return lhs.num == rhs.num && lhs.str == rhs.str; }

friend bool operator!=(const Guard& lhs, const Guard& rhs) { return !(lhs == rhs); }

Guard(const Guard&);

Guard& operator=(const Guard&);

{

#ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT

typedef int BAD_TARGET_TYPE;

boost::optional<Guard> og1 ( boost::in_place<BAD_TARGET_TYPE>(1.0, "one") );

#else

NOTHING_TO_TEST_SO_JUST_FAIL

#endif

return 0;

}